STM32L476RET6 vs STM32L451RET6 Comparison
Detailed side-by-side comparison of STM32L476RET6 by STMicroelectronics and STM32L451RET6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L476RET6 - 80MHz ARM Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L476RET6 ✓ ActiveSTMicroelectronics
STM32L451RET6 - Ultra-Low-Power Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451RET6 ✓ ActiveSpecification Comparison
| Parameter | STM32L476RET6 | STM32L451RET6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.10 | $4.38 |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | — |
| Maximum Clock Frequency | 80 MHz | 80 MHz |
| Performance | 100 DMIPS (1.25 DMIPS/MHz) | — |
| Program Flash Memory | 512 KB | — |
| SRAM | 128 KB | 160 KB |
| Supply Voltage Range | 1.7 V to 3.6 V | 1.71 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (T6 suffix) | -40°C to +85°C |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| I/O Pins | 51 (5V-tolerant on FT pins) | — |
| ADC | 3x 12-bit, up to 5 Msps | — |
| DAC | 2x 12-bit | — |
| Comparators | 2x ultra-low-power | — |
| Operational Amplifiers | 2x on-chip | — |
| USB | USB 2.0 Full-Speed OTG (with internal PHY) | — |
| LCD Controller | 8x40 / 4x44 segments | — |
| Timers | 16-/32-bit, RTC, LPTIM, SysTick | — |
| Communication Interfaces | USART/UART, I2C, SPI, SAI, CAN 2.0B, SDMMC | — |
| Crypto / Random | AES-256 hardware, TRNG | — |
| DMA | DMA1 + DMA2 (14 channels total) | — |
| Internal SMPS | Yes (external 4.7 uH inductor) | — |
| RoHS Status | Compliant | Compliant |
| Core | — | Arm Cortex-M4 with FPU |
| Flash Memory | — | 512 KB |
| Mounting Type | — | Surface Mount |
| ADC Resolution | — | 12-bit |
| ADC Sample Rate | — | 5 MSPS |
| DAC Resolution | — | 12-bit |
| Number of I2C Interfaces | — | 4 |
| Number of SPI Interfaces | — | 3 |
| Number of USART/UART Interfaces | — | 3 USART + 1 UART + 1 LPUART |
| Number of Timers | — | 8 (including 2 advanced, 5 general-purpose, 2 basic) |